On Wed, 2009-07-22 at 23:19 -0500, Eric Sandeen wrote:
> Krzysztof Adamski wrote:
> > I got "XFS: file system too large to be mounted on this system." when
> > mounting my not to large file system.
> > I'm running Debian lenny with a self compiled kernel, 32 bit userland
> > distribution.
> > I have both 32 and 64 bit kernels of the 126.96.36.199 installed. I was
> > running the 64bit kernel for a while, I needed to switch to the 32 bit
> > version to run VBox. After reboot to 32bit kernel, one filesystem would
> > not mount. The xfs_repair did not find any good superblocks.
> > Fortunately booting the 64bit kernel allowed mounting of this
> > filesystem.
> > This is a df while running 64bit kernel:
> > /dev/mapper/big--raid-file--store
> > xfs 2558652416 2540114040 18538376 100% /file-store
> > /dev/sda1 xfs 195263012 194723636 539376 100% /disks/a1
> > The interesting part is that /disks/a1 did not have problem with
> > mounting on the 32bit kernel, just the /file-store.
> Do you have CONFIG_LBD (or maye now CONFIG_LBDAF) set on the newer
> 32-bit kernel? You'll need that.
Yes, this was it, the CONFIG_LBD got unset when I used the .config file
to compile on a system that was running a 64 bit kernel. Now everything
is back to normal, thanks.
> If you do ....
> file-store is about 2T? What is the filesystem block size? (xfs_info
> on the mountpoint would tell you)
# xfs_info /file-store
meta-data=/dev/mapper/big--raid-file--store isize=256 agcount=32,
= sectsz=512 attr=0
data = bsize=4096 blocks=639695872,
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096
log =internal bsize=4096 blocks=32768, version=1
= sectsz=512 sunit=0 blks, lazy-count=0
realtime =none extsz=65536 blocks=0, rtextents=0
> The test is looking at whether the nr of filesystem blocks overflows
> based on CONFIG_LBD or not...
> and the function hasn't changed since 2007.... hrm.
> I'll put my money on CONFIG_LBDAF.
> > When running 188.8.131.52 32bit kernel I have no problem with mounting this
> > filesystem. So something broke between 184.108.40.206 and 220.127.116.11
> > I can provide any other info.
> > K
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